CN111571724A

CN111571724A - Loudspeaker box shell composite processing device

Info

Publication number: CN111571724A
Application number: CN202010483428.1A
Authority: CN
Inventors: 罗层
Original assignee: Ji'an Jirui Technology Co ltd
Current assignee: GUANGZHOU LANGJIAN TECHNOLOGY Co.,Ltd.
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-08-25
Anticipated expiration: 2040-06-01
Also published as: CN111571724B

Abstract

The invention discloses a sound box shell composite processing device in the technical field of sound box shell processing. According to the wood cutting machine, the whole wood cutting process can be finished in a closed space through the sound insulation mechanism, the noise generated by wood cutting to the outside is reduced, the health of workers is not damaged, meanwhile, the workers do not need to manually open the sound insulation cover during loading and unloading, the operation is convenient, and the working efficiency is improved.

Description

Loudspeaker box shell composite processing device

Technical Field

The invention relates to the technical field of sound box shell processing, in particular to a sound box shell composite processing device.

Background

At present, the fast pace of life makes people aware that proper entertainment is very effective in relieving the stress of life. Therefore, the entertainment consumption of the family is rapidly increased, the digital sound equipment is more and more popular, and the sound box equipment becomes a necessity of the family. The sound box shell is one of important parts of the sound box, the practicability and the structural reasonability of the sound box shell also become important standards for people to purchase the sound box, and the wooden sound box is also popular with consumers.

When adding man-hour to wooden audio amplifier shell among the prior art, need use cutting device, generally for the noise reduction, can be provided with the sound-proof housing on cutting device, but need open the sound-proof housing usually for material loading and unloading and operate, it is very troublesome to operate, has influenced cutting efficiency.

Based on the above, the invention designs a sound box shell composite processing device to solve the above problems.

Disclosure of Invention

The invention aims to provide a sound box shell composite processing device, which solves the problems that in the prior art, when a wooden sound box shell is processed, a cutting device is needed, generally, a sound-proof cover is arranged on the cutting device for reducing noise, but the sound-proof cover is needed to be opened for operation for loading and unloading, the operation is very troublesome, and the cutting efficiency is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a loudspeaker box shell composite processing device comprises a mounting frame and a cutting device, wherein the cutting device is mounted in the middle of the bottom surface of the mounting frame, and a sound insulation mechanism is arranged at the top of the mounting frame;

the sound insulation mechanism comprises a sound insulation cover fixed at the top of the mounting frame, a feed inlet and a discharge outlet are respectively arranged on two side surfaces of the sound insulation cover, guide rods are fixedly connected on two sides of the bottom surface of the top of the sound insulation cover, two guide rods are respectively and slidably connected with sound insulation doors, the two sound insulation doors are respectively used for sealing the feed inlet and the discharge outlet, butt joint grooves are respectively arranged on two sides of the back surface of each sound insulation door, each sound insulation door is symmetrically and fixedly provided with a horizontally arranged butt joint rod, the front side wall and the back side wall of the sound insulation cover are respectively and rotatably connected with a slide rod and a lead screw, the lead screw is externally connected with a servo motor used for driving the lead screw to rotate, each lead screw is respectively and threadedly connected with a sliding table, each sliding table is slidably connected with the slide rod at the bottom of the sliding table, a positive U-shaped block is fixedly, each rotating shaft is rotatably connected with two inclined butt-joint rods, the bottom surfaces of the two inclined butt-joint rods are lapped on a limiting plate below the two inclined butt-joint rods, each sliding table is fixedly connected with a C-shaped plate, the inner wall of each C-shaped plate is slidably connected with a clamping plate, one side of the top surface of each clamping plate is fixedly connected with a second air spring, the top end of each second air spring is fixedly connected to the corresponding C-shaped plate, each clamping plate is fixedly connected with a second connecting rod, each second connecting rod is fixedly connected with a butt-joint block, and the middle part of each butt-joint block is provided with a butt-joint; in the prior art, when a wooden sound box shell is processed, a cutting device is needed, the noise generated by wood cutting is large, certain harm is generated to the health of processing personnel, generally, a sound-proof cover is arranged on the cutting device for reducing the noise, but the sound-proof cover is generally required to be opened for loading and unloading, the operation is very troublesome, and the cutting efficiency is influenced, when the sound box shell composite processing device works, a servo motor drives a screw rod to rotate to force a sliding table to move towards a feed inlet, when an inclined butt joint rod is butted with a butt joint groove, the butt joint rod is simultaneously inserted into a butt joint hole on a butt joint block, in the process of continuous movement of the sliding table, the inclined butt joint rod rotates on a rotating shaft to support a sound-proof door to move upwards, the sound-proof door moves upwards to drive the butt joint rod to move upwards, and the butt joint rod and the butt joint block complete butt joint, so the butt joint block moves upwards along with, so that the second connecting rod fixedly connected on the butt joint block drives the clamping plate to move upwards together to open the clamping plate, wood to be cut can be placed on the clamping plate at the moment, then the servo motor drives the screw rod to drive the sliding table to move towards the discharge port, the soundproof door moves downwards under the action of gravity, the inclined butt joint rod can gradually separate from the butt joint groove, when the inclined butt joint rod separates from the butt joint groove, the butt joint rod can separate from the butt joint hole of the butt joint block, the second air spring drives the pressing plate to move downwards to press the wood, at the moment, the screw rod drives the sliding table to move, the sliding table drives the C-shaped plate, the clamping plate and the wood to move together to the cutting position to complete cutting, then the C-shaped plate, the clamping plate and the cut wood continue to move towards the discharge port until the butt joint hole on the butt joint block is in butt joint with the butt joint, the lead screw drives the slip table and continues to move to discharge gate department, thereby the slope butt joint pole can rotate and prop up the soundproof door of discharge gate department, soundproof door upward movement can drive butt joint pole upward movement, because of butt joint pole and butt joint piece have accomplished the butt joint, so butt joint piece can be along with butt joint pole upward movement, so can make the second connecting rod of fixed connection on butt joint piece drive splint upward movement together, make splint open, the staff can take out the timber that the cutting is good, whole cutting process of above-mentioned timber is whole to be accomplished in the sound-proof housing, can make the noise reduction of timber cutting to external production, can not produce harm to staff's health, simultaneously the staff need not to open soundproof door when unloading and material loading, and convenient operation, and the work efficiency is improved.

As a further scheme of the invention, each guide rod is fixedly connected with a first connecting rod, two ends of each first connecting rod are fixedly connected with a first air spring, and the first air springs are fixedly connected with the corresponding soundproof doors.

As a further scheme of the invention, a pressing mechanism is further arranged on the sound insulation mechanism, the pressing mechanism comprises two guide grooves and two C-shaped pressing plates, the two guide grooves are respectively formed in the surfaces of the two clamping plates, the two C-shaped pressing plates are symmetrically arranged and are respectively arranged on the bottom surface of the top of the sound insulation cover, and the two C-shaped pressing plates are used for being in butt joint with the two guide grooves; because cutting machine and timber can produce great resistance probably leads to timber to take place to drop between C template and the splint in cutting process, can influence the cutting, through be provided with the guide way on the splint surface, when butt joint piece breaks away from the butt joint pole, C type clamp plate slides in the guide way, make splint and C template compress tightly and wait to cut panel, when the cutting finishes, C type clamp plate roll-off guide way makes timber more stable in cutting process, timber can not follow and takes place to drop between splint and the C template.

As a further scheme of the invention, an adjusting mechanism is further arranged between the two C-shaped pressing plates and the bottom surface of the top of the sound-proof shield, the adjusting mechanism comprises four inverted U-shaped blocks, the four inverted U-shaped blocks are fixedly connected to the bottom surface of the top of the sound-proof shield, the four inverted U-shaped blocks are arranged in a rectangular shape, waist-shaped holes which are symmetrically arranged are formed in the outer wall of each inverted U-shaped block, connecting rods which are horizontally arranged are fixedly connected to the top ends of the same sides of the two C-shaped pressing plates together, each connecting rod penetrates through the four waist-shaped holes and is in sliding fit with the four waist-shaped holes, a connecting plate is fixedly connected to the two connecting rods together, a screw is fixedly connected to the connecting plate, a nut is fixedly connected to the top end of the screw, a threaded hole is formed in the center position of the top of, the screw rod can be screwed to drive the connecting plate to move up and down, so that the connecting plate drives the connecting rod to move up and down in the waist-shaped hole, the connecting rod can drive the C-shaped pressing plate fixedly connected with the connecting rod to move up and down together, and the pressing mechanism can be suitable for woods with different plate thicknesses

As a further scheme of the invention, the bottom edge of the C-shaped pressing plate is rotatably connected with a plurality of rotating wheels, and the arrangement of the rotating wheels can reduce the friction between the C-shaped pressing plate and the guide groove, so that the wood can move more smoothly.

As a further scheme of the invention, the outer wall of the sound-proof housing is provided with the rotating door, so that the sound-proof housing is convenient to maintain.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the wood cutting machine, the whole wood cutting process can be finished in a closed space through the sound insulation mechanism, the noise generated by wood cutting to the outside is reduced, the health of workers is not damaged, meanwhile, the workers do not need to manually open the sound insulation cover during loading and unloading, the operation is convenient, and the working efficiency is improved.

2. According to the invention, the wood can be more stable in the cutting process through the pressing mechanism, and the wood cannot fall off from the position between the clamping plate and the C-shaped plate.

3. The invention can adjust the position of the pressing mechanism through the adjusting mechanism, so that the pressing mechanism can be suitable for wood with different plate thicknesses.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a sectional view showing the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention (hidden sound enclosure);

fig. 5 is an enlarged view of a portion a in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

mounting bracket 1, cutting device 2, sound-proof housing 3, guide bar 4, head rod 5, first gas spring 6, soundproof door 7, butt joint groove 8, butt joint pole 9, slide bar 10, lead screw 11, slip table 12, positive U type piece 13, pivot 14, limiting plate 15, slope butt joint pole 16, C type board 17, splint 18, second gas spring 19, second connecting rod 20, butt joint piece 21, butt joint hole 22, guide way 23, inverted U type piece 24, waist type hole 25, connecting rod 26, C type clamp plate 27, runner 28, screw hole 29, screw rod 30, nut 31, revolving door 32, connecting plate 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a loudspeaker box shell composite processing device comprises a mounting frame 1 and a cutting device 2, wherein the cutting device 2 is mounted in the middle of the bottom surface of the mounting frame 1, and a sound insulation mechanism is arranged at the top of the mounting frame 1;

the sound insulation mechanism comprises a sound insulation cover 3 fixed on the top of the mounting frame 1, a feed inlet and a discharge outlet are respectively arranged on two side surfaces of the sound insulation cover 3, guide rods 4 are fixedly connected on two sides of the bottom surface of the top of the sound insulation cover 3, a sound insulation door 7 is slidably connected with the two guide rods 4, the sound insulation door 7 is used for sealing the feed inlet and the discharge outlet, butt joint grooves 8 are respectively arranged on two sides of the back surface of the sound insulation door 7, butt joint rods 9 horizontally arranged are symmetrically fixed on the sound insulation door 7, slide rods 10 and screw rods 11 are rotatably connected on the front side wall and the back side wall of the sound insulation cover 3, a servo motor for driving the screw rods 11 to rotate is externally connected, the screw rods 11 are in threaded connection with a sliding table 12, the sliding table 12 is in sliding connection with the slide rods 10, a positive U-shaped block 13 is fixedly connected on the upper surface of the sliding table 12, the bottom surfaces of two inclined butt joint rods 16 are lapped on a limiting plate 15, a C-shaped plate 17 is fixedly connected to the sliding table 12, a clamping plate 18 is slidably connected to the inner wall of the C-shaped plate 17, a second air spring 19 is fixedly connected to one side of the top surface of the clamping plate 18, the top end of the second air spring 19 is fixedly connected to the C-shaped plate 17, a second connecting rod 20 is fixedly connected to the clamping plate 18, a butt joint block 21 is fixedly connected to the second connecting rod 20, and a butt joint hole 22 is formed in the middle of; in the prior art, when a wooden sound box shell is processed, a cutting device 2 is needed, noise generated by wood cutting is large, certain harm is generated to health of processing personnel, generally, a sound-proof cover 3 is arranged on the cutting device 2 for reducing noise, but the sound-proof cover 3 is generally needed to be opened for loading and unloading, the operation is very troublesome, and the cutting efficiency is influenced, when the sound box shell composite processing device works, a servo motor drives a screw rod 11 to rotate to force a sliding table 12 to move forwards, when an inclined butt joint rod 16 is butted with a butt joint groove 8, a butt joint rod 9 penetrates through a butt joint hole 22 on a butt joint block 21, and in the process that the sliding table 12 continues to move, the inclined butt joint rod 16 rotates on a rotating shaft 14 to support a sound-proof door 7 to move upwards and simultaneously drives the butt joint block 21 to move upwards, so that a second connecting rod 20 fixedly connected to the butt joint block 21 drives a clamping plate 18 to move upwards together, the clamping plate 18 is opened, the wood to be cut can be placed on the clamping plate 18 at the moment, then the screw rod 11 drives the sliding table 12 to move backwards through the servo motor, the soundproof door 7 moves downwards under the action of gravity, the second air spring 19 drives the pressing plate to move downwards to press the wood tightly, the screw rod 11 drives the sliding table 12 to move at the moment, the sliding table 12 drives the C-shaped plate 17, the clamping plate 18 and the wood to move together to a cutting position to finish cutting, then the C-shaped plate 17, the clamping plate 18 and the cut wood continue to move backwards until the butt joint hole 22 in the butt joint block 21 is connected with the butt joint rod 9 on the rear soundproof door 7, the inclined butt joint rod 16 is matched with the butt joint groove 8, the screw rod 11 drives the sliding table 12 to move backwards to prop up the rear soundproof door 7, the butt joint rod 9 can penetrate through the butt joint hole 22 in the butt joint block 21 to open the clamping plate 18, a worker can take out the cut wood, and, can make the noise reduction that the wood cutting produced to the external world, can not produce harm to staff's health, the staff need not to open soundproof door 7 when material loading and unloading simultaneously, convenient operation has improved work efficiency.

As a further scheme of the invention, the guide rod 4 is fixedly connected with the first connecting rod 5, the two ends of the first connecting rod 5 are fixedly connected with the first air spring 6, and the first air spring 6 is fixedly connected with the soundproof door 7, so that the soundproof door 7 cannot be pressed due to the fact that the soundproof door 7 is light in weight, and the soundproof door 7 can be pressed downwards under the action of the restoring action of the first air spring 6, so that the soundproof effect is better.

As a further scheme of the invention, a pressing mechanism is further arranged in the sound insulation mechanism, the pressing mechanism comprises two guide grooves 23 and two C-shaped pressing plates 27, the two guide grooves 23 are respectively arranged on the surfaces of the two clamping plates 18, and the two C-shaped pressing plates 27 are symmetrically arranged and are both arranged on the bottom surface of the top of the sound insulation cover 3; because the cutting machine can produce great resistance with timber and probably lead to timber to take place to drop between C template 17 and the splint 18 in cutting process, can influence the cutting, through being provided with guide way 23 on splint 18 surface, when butt joint piece 21 breaks away from butt joint pole 9, C type clamp plate 27 cunning advances guide way 23, make splint 18 and C template 17 compress tightly the panel of waiting to cut, when the cutting finishes, C type clamp plate 27 roll-off guide way 23, eliminate C type clamp plate 27's overdraft, make timber more stable in cutting process, timber can not take place to drop from between splint 18 and the C template 17.

As a further scheme of the invention, an adjusting mechanism is further arranged between the two C-shaped pressing plates 27 and the bottom surface of the top of the sound-proof cover 3, the adjusting mechanism comprises four inverted U-shaped blocks 24, the four inverted U-shaped blocks 24 are all fixedly connected to the bottom surface of the top of the sound-proof cover 3, the four inverted U-shaped blocks 24 are arranged in a rectangular shape, waist-shaped holes 25 which are symmetrically arranged are formed in the outer wall of each inverted U-shaped block 24, horizontally arranged connecting rods 26 are jointly and fixedly connected to the top ends of the same sides of the two C-shaped pressing plates 27, each connecting rod 26 penetrates through the four waist-shaped holes 25 and is in sliding fit with the four waist-shaped holes 25, a connecting plate 33 is jointly and fixedly connected to the two connecting rods 26, a screw rod 30 is fixedly connected to the connecting plate 33, a nut 31 is fixedly connected to the top end of the screw rod 30, a threaded hole 29 is formed, the screw 30 can be screwed to drive the connecting plate 33 to move up and down, so that the connecting plate 33 drives the connecting rod 26 to move up and down in the kidney-shaped hole 25, the connecting rod 26 can drive the C-shaped pressing plate 27 fixedly connected with the connecting rod 26 to move up and down together, and the pressing mechanism can be suitable for wood with different plate thicknesses

As a further scheme of the invention, a plurality of rotating wheels 28 are rotatably connected to the bottom edge of the C-shaped pressing plate 27, and the arrangement of the rotating wheels 28 can reduce the friction between the C-shaped pressing plate 27 and the guide groove 23, so that the wood can move more smoothly.

As a further scheme of the invention, the outer wall of the sound-proof cover 3 is provided with a rotating door 32, so that the maintenance is convenient.

The working principle is as follows: when the loudspeaker box shell composite processing device works, the servo motor drives the screw rod 11 to rotate to force the sliding table 12 to move forwards, when the inclined butt joint rod 16 is butted with the butt joint groove 8, the butt joint rod 9 can penetrate through the butt joint hole 22 on the butt joint block 21, in the process that the sliding table 12 continues to move, the inclined butt joint rod 16 rotates on the rotating shaft 14 to support the soundproof door 7 to move upwards and drive the butt joint block 21 to move upwards, the second connecting rod 20 fixedly connected to the butt joint block 21 can drive the clamping plate 18 to move upwards together, the clamping plate 18 is opened, wood to be cut can be placed on the clamping plate 18 at the moment, then the servo motor drives the screw rod 11 to drive the sliding table 12 to move backwards, the soundproof door 7 moves downwards under the action of gravity, the second air spring 19 drives the pressing plate to move downwards to press the wood, the screw rod 11 drives the sliding table 12 to move, the sliding table 12 drives the C-shaped plate 17, the clamping plate, then C template 17, splint 18 and the timber that the cutting was accomplished continue the rearward movement, it is connected with the butt joint pole 9 on the back soundproof door 7 to butt joint hole 22 on the butt joint piece 21, slope butt joint pole 16 and the cooperation of butt joint groove 8, lead screw 11 drives slip table 12 rearward movement, prop up back soundproof door 7, butt joint pole 9 can pass butt joint hole 22 on the butt joint piece 21 and make splint 18 open, the staff can take out the timber that the cutting is good, whole cutting process of timber is whole to be accomplished in sound-proof housing 3, can make the noise reduction that the timber cutting produced to the external world, can not produce harm to staff's health, simultaneously the staff need not to open soundproof door 7 when the material loading and unloading, and is convenient for operation, and the work efficiency is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a loudspeaker box shell combined machining device, includes mounting bracket (1) and cutting device (2), its characterized in that: the cutting device (2) is arranged in the middle of the bottom surface of the mounting frame (1), and a sound insulation mechanism is arranged at the top of the mounting frame (1);

the sound insulation mechanism comprises a sound insulation cover (3) fixed at the top of a mounting frame (1), wherein a feed inlet and a discharge outlet are respectively formed in two side faces of the sound insulation cover (3), guide rods (4) are fixedly connected to two sides of the bottom face of the top of the sound insulation cover (3), two sound insulation doors (7) are respectively connected with the guide rods (4) in a sliding manner, the two sound insulation doors (7) are respectively used for sealing the feed inlet and the discharge outlet, each sound insulation door (7) is respectively provided with a butt joint groove (8) on two sides of the back face, each sound insulation door (7) is symmetrically fixed with a butt joint rod (9) which is horizontally arranged, the front side wall and the back side wall of the sound insulation cover (3) are respectively connected with a slide rod (10) and a screw rod (11) in a rotating manner, the screw rod (11) is externally connected with a servo motor for driving the sound insulation doors to rotate, the upper surface of each sliding table (12) is fixedly connected with a positive U-shaped block (13), each positive U-shaped block (13) is rotatably connected with a rotating shaft (14), each rotating shaft (14) is provided with a limiting plate (15) fixedly connected with the positive U-shaped block (13), each rotating shaft (14) is rotatably connected with two inclined butt-joint rods (16), the bottom surfaces of the two inclined butt-joint rods (16) are lapped on the limiting plate (15) below the two inclined butt-joint rods, each sliding table (12) is fixedly connected with a C-shaped plate (17), each C-shaped plate (17) is slidably connected with a clamping plate (18) on the inner wall of the clamping plate (18), one side of the top surface of the clamping plate (18) is fixedly connected with a second air spring (19), the top end of the second air spring (19) is fixedly connected on the corresponding C-shaped plate (17), and each clamping plate (18) is, every equal fixedly connected with of second connecting rod (20) is to piecing together piece (21), every butt joint hole (22) have been seted up in butt joint piece (21) middle part.

2. The loudspeaker box shell composite processing device of claim 1, wherein: every equal fixedly connected with head rod (5) in guide bar (4), every equal fixedly connected with first gas spring (6) in head rod (5) both ends, first gas spring (6) and the soundproof door (7) fixed connection who corresponds.

3. The loudspeaker box shell composite processing device of claim 1, wherein: still be equipped with hold-down mechanism on the noise insulation mechanism, hold-down mechanism includes two guide ways (23) and two C type clamp plate (27), two guide way (23) are seted up respectively on two splint (18) surfaces, two C type clamp plate (27) symmetrical arrangement just all installs on sound-proof housing (3) top bottom surface, and two C type clamp plate (27) are used for with two guide ways (23) butt joint.

4. A loudspeaker box casing composite processing device according to claim 3, characterized in that: an adjusting mechanism is further arranged between the two C-shaped pressing plates (27) and the bottom surface of the top of the sound-proof shield (3), the adjusting mechanism comprises four inverted U-shaped blocks (24), the four inverted U-shaped blocks (24) are all fixedly connected to the bottom surface of the top of the sound-proof shield (3), the four inverted U-shaped blocks (24) are arranged in a rectangular shape, waist-shaped holes (25) which are symmetrically arranged are formed in the outer wall of each inverted U-shaped block (24), two C-shaped pressing plates (27) are jointly and fixedly connected with connecting rods (26) which are horizontally arranged at the top ends of the same side, each connecting rod (26) penetrates through the four waist-shaped holes (25) and is in sliding fit with the four waist-shaped holes (25), the two connecting rods (26) are jointly and fixedly connected with a connecting plate (33), a screw rod (30) is fixedly connected to the connecting plate (33), a nut (31) is fixedly connected to the top end of the screw rod, the threaded hole (29) is in threaded fit with the screw (30).

5. A loudspeaker box casing composite processing device according to claim 3, characterized in that: the bottom edge of the C-shaped pressing plate (27) is rotatably connected with a plurality of rotating wheels (28).

6. The loudspeaker box shell composite processing device of claim 1, wherein: the outer wall of the sound-proof cover (3) is provided with a rotating door (32).